Marquise|Lab Grown|IGI

0.70ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG823640251

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823640251

Diamond specifications and retailer prices

From $259 USD
As of October 31, 2026
Save $849 USD (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,108 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 0.7ct lab-grown marquise diamond

This 0.7ct lab-grown marquise sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823640251 or 823640251. Listed at 5 retailers as of October 31, 2026, with prices from $259 to $1,108, a $849 spread on the same certified stone. Taylor and Hart lists it at $1,108. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.70
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823640251
Dimensions8.94 × 4.77 × 2.88 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.94 mm4.77 mm0.70 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823640251
Side View
Table 62.0%Crown 36.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $308 USD|Low: $259 USD|High: $1,108 USD|Avg: $554 USD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Taylor and Hart
October 31, 2026
Retailer 4$259 USD
Retailer 1$308 USD
Retailer 3$331 USD
Retailer 2$838 USD
Taylor and Hart$1,108 USD

15 data points across 5 retailers

5 retailers$259 USD to $1,108 USD

A
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$308 USD
£243 GBP
View
A
Retailer 3
-
$331 USD
View
B
Retailer 4
-
$838 USD
£660 GBP
View
Most Expensive
B
Taylor and Hart
KC41CFC · Oct 31
$1,108 USD
View
4 more retailers have this diamond
Prices start from $259 USDSave up to $849 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
0.70ct Marquise
$259 USD